Frost Summary

Description:

This program produces a summary table of the dates of the first and last freeze for
the temperature thresholds 36, 32, 28, 24, 20 and 16 degrees Fahrenheit. The
methodology is similar to that described in the Frost Statistics help file.

Price

The price for this product is $0.50/summary.

Sample

Frost Summary

Station:
NEWARK UNIVERSITY FA

State:
DE

ID:
076410

Latitude:
39.67 degrees

Longitude:
-75.73 degrees

Elevation:
90 feet

Station period of record:
08/01/1948 - 04/30/2002

CLIMOD Product: Frost Statistics Summary

Creation Time:
08/01/2002 11:19 EDT

Spring/Fall Cutoff Date: August 1

Requested years:
1971-
2000

Distribution:
Normal

Probability of Later Date in Spring Than Indicated

Temperature

Earliest

.90

.80

.70

.60

.50

.40

.30

.20

.10

Latest

36

04/04

04/17

04/22

04/25

04/28

05/01

05/03

05/06

05/10

05/14

05/18

32

04/04

04/07

04/11

04/13

04/16

04/18

04/20

04/22

04/25

04/29

05/08

28

03/20

03/26

03/30

04/02

04/05

04/07

04/10

04/13

04/16

04/20

05/01

24

03/03

03/10

03/14

03/17

03/20

03/22

03/25

03/27

03/30

04/04

04/10

20

02/12

02/23

02/28

03/04

03/07

03/10

03/14

03/17

03/21

03/26

04/07

16

02/04

02/06

02/12

02/17

02/21

02/25

03/01

03/05

03/10

03/17

04/07

Probability of Earlier Date in Fall Than Indicated

Temperature

Earliest

.10

.20

.30

.40

.50

.60

.70

.80

.90

Latest

36

09/24

09/30

10/04

10/07

10/09

10/12

10/14

10/17

10/20

10/24

11/04

32

10/03

10/10

10/15

10/18

10/21

10/23

10/26

10/29

11/01

11/05

11/08

28

10/14

10/19

10/25

10/30

11/02

11/05

11/09

11/12

11/17

11/22

12/03

24

10/21

11/05

11/10

11/14

11/17

11/20

11/23

11/26

11/29

12/04

12/15

20

11/06

11/16

11/23

11/28

12/02

12/06

12/10

12/14

12/19

12/25

01/01

16

11/21

12/04

12/10

12/14

12/18

12/22

12/25

12/29

01/03

01/09

01/16

Probability of Longer Than Indicated Freeze Free Period (days)

Temperature

Longest

.10

.20

.30

.40

.50

.60

.70

.80

.90

Shortest

36

193

182

175

171

166

163

159

155

150

144

138

32

212

205

199

194

191

187

183

179

175

169

147

28

246

234

226

220

216

211

207

202

196

188

176

24

262

257

251

247

244

240

237

233

229

223

208

20

306

289

281

276

271

267

262

258

252

244

234

16

338

323

314

308

302

297

292

287

281

272

246

Notes:

These tables present probabilities of observing a temperature as cold, or colder, later in the spring
or earlier in the fall than the indicated date (month/day).